You are the administrator of ExamSheet.net's network. 
Your Windows 2000 Professional computer has a Pentium II 400-HHz processor, 128 MB of RAM, and IDE hard disk. After installing a new digital imaging application you notice that your computer is responding very slowly and you are experiencing delays in processing graphics files. You want to determine if the performance problems are being caused by a memory bottleneck. What should you do?（）

You are a network administrator for ExamSheet.net's Windows 2000 network. 
A user named Sandra has a Windows 2000 Professional computer with a single hard disk with two partitions configured as drive C and D. A pagefile has been configured on Drive C:. Sandra reports that applications on her Windows 2000 Professional computer are running slowly. You notice that Sandra's computer has 64 MB of RAM. Her hard drive contains 70 MB of free disk space on drive C and 160 MB of free disk space on drive D.You want to improve the performance of Sandra's computer. 
What should you do?（）